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Category | Type | Steel grade | Standard | Country |
---|---|---|---|---|
Grades | Special Alloy | M44 | ASTM | USA |
Chemical composition%of the ladle analysis of gradeM44
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | V(%) | W(%) | Co(%) |
---|---|---|---|---|---|---|---|---|---|
1.10-1.20 | 0.30-0.55 | 0.20-0.40 | ≤0.030 | ≤0.030 | 4.00-4.75 | 6.00-7.00 | 1.85-2.20 | 5.00-5.75 | 11.0-12.25 |
Proof strength Rp0.2(MPa) | Tensile strength Rm(MPa) | Impact energy KV(J) | Elongation at fracture A(%) | Reduction in cross section on fracture Z(%) | As-Heat-Treated Condition | Brinell hardness(HBW) |
---|---|---|---|---|---|---|
145(≥) | 459(≥) | 44 | 24 | 44 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 124 |
Property | Density kg/dm3 | Temperature T °C/F | Specific heat J/kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm | Modulus of elasticity kN/mm2 | Expansion rate |
---|---|---|---|---|---|---|---|
662(≥) | 916(≥) | 24 | 12 | 31 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 431 | |
Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
838 | 872 | 398 |
Product type | Products | Dimension | Processes | Deliver Status |
---|---|---|---|---|
Plates/Sheets | Plates/Sheets | 0.08-200mm(T)*W*L | Forging,hot rolling and cold rolling | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
Steel Bar | Round Bar,Flat Bar,Square Bar | Φ8-1200mm*L | Forging,hot rolling and cold rolling,Cast | Black,Rough Turning,Shot Blasting, |
Coil/Strip | Steel Coil/Steel Strip | 0.03-16.0x1200mm | Cold-Rolled&Hot-Rolled | Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting |
Pipes/Tubes | Seamless Pipes/Tubes,Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion,Cold Drawn,Welded | Annealed,Solution and Aging,Q+T,ACID-WASHED |
Grade | Standard | Country | Application |
---|---|---|---|
M44 | ASTM | USA | High-Speed Tool Steel |